CN205388572U - Infrared on -line monitoring device of SF6 analyte - Google Patents
Infrared on -line monitoring device of SF6 analyte Download PDFInfo
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- CN205388572U CN205388572U CN201620114854.7U CN201620114854U CN205388572U CN 205388572 U CN205388572 U CN 205388572U CN 201620114854 U CN201620114854 U CN 201620114854U CN 205388572 U CN205388572 U CN 205388572U
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Abstract
The utility model discloses an infrared on -line monitoring device of SF6 analyte, including three way connection, measuring chamber, three way connection's left interface links to each other with GIS equipment through left check valve, and three way connection's right interface is equipped with right check valve, three way connection's last interface and measuring chamber intercommunication, be equipped with infrared detection device in the measuring chamber, the measuring chamber top is equipped with first interface, is equipped with the second interface on the lateral wall of measuring chamber lower part, and first interface links to each other with the second interface through being located the outside stainless steel pipeline of measuring chamber, and the bottom of measuring chamber is equipped with the fan. The utility model discloses an it is indoor that infrared detection device arranges the detection in, and online real -time supervision can be realized to integrated back direct mount on the three way connection of GIS equipment, and the volume is less, infrared detection device adopts the photounit that stands separately integrated, does not need dear spectrum appearance, and the cost is lower, can realize the complete real -time on -line monitoring of transformer substation's multiple spot.
Description
Technical field
This utility model relates to electric power detection apparatus field, particularly to a kind of SF6The infrared on-Line Monitor Device of analyte.
Background technology
SF6Gas is to generally acknowledge at present the most excellent insulation and arc-extinguishing medium to adopt SF6As insulating gas GIS device the reliability of safe operation, fire prevention, explosion-proof, noise control, reduce floor space, alleviate weight, anti-oil pollution etc. in demonstrate premium properties, therefore SF6Electrical equipment application in China Power Grids is increasingly extensive.Under normal temperature and pressure, pure SF6Gas has good stability, and operating GIS device is likely to occur various defect inside when manufacturing, install, run, and discharge (arc discharge, spark discharge, corona or shelf depreciation) and overheating fault cause SF6Gas is decomposed, and generates various gas component, and these analytes have severe corrosive, can corrode internal mechanical structure, will further decrease again the insulating properties of electrical equipment, the fault of aggravation electrical equipment simultaneously.Therefore on-line monitoring SF6The content of analyte and Long-term change trend thereof, fault pre-alarming and accident analysis to GIS device have and important meaning.
Adopt the methods such as chromatography, infrared absorption method, photocaustic spectroscopy to adopt off-line type to carry out detection at present to analyze, the precision measured is higher, but measurement device volume is big, as shown in Figure 1, trachea will be taken and receive on non-return valve 1-6, control to enter the flow of spectrogrph 1-3 by flow valve 1-5.Sent light beam by laser instrument 1-1 and enter in sample cell 1-4 by condenser 1-2, SF in sample cell 1-46Gas flows through with certain speed, and the light that laser instrument 1-1 sends is by SF6In gas, analyte carries out a degree of absorption, finally enters spectrogrph 1-3, spectrogrph 1-3 analyze the absorbed degree of laser, and to judge the content of analyte, analyte concentration is more high, and the intensity absorbing laser is more high.The gas tested is emitted by exhaustor 1-7.This monitoring device has following defects that 1. is all relatively larger due to analytical tool volume, usually regularly whole device is linked in GIS device and carries out sampling and testing, belong to off-line type, it is impossible to monitor the situation of GIS device internal breakup thing, the SF simultaneously tested in real time6Gas is to be directly discharged in air, and SF6Greenhouse gases, its analyte containing toxic, atmosphere pollution；2. typically requiring analyser costly, such as spectrogrph, a transformer station can only join one, it is impossible to multiple monitoring points are carried out real time on-line monitoring；3. need the gas of flowing just to can ensure that gas is uniform during detection, measure accurately, and the SF in GIS device6Gas is static, can only by SF6Gas discharges to obtain certain flow velocity.
Summary of the invention
In order to solve above-mentioned technical problem, this utility model provides a kind of simple in construction, cost is low, measure SF accurate, free of contamination6The infrared on-Line Monitor Device of analyte.
This utility model solves the technical scheme of the problems referred to above: a kind of SF6The infrared on-Line Monitor Device of analyte, including three way cock, measuring chamber, the left interface of described three way cock is connected with GIS device by left non-return valve, the right interface of three way cock is provided with right non-return valve, the upper interface of three way cock connects with measuring chamber, it is provided with infrared detecting device in described measuring chamber, measuring chamber top is provided with first interface, measuring chamber lower sides is provided with the second interface, first interface is connected by being positioned at stainless steel pipes measuring chamber outside and the second interface, and the bottom of measuring chamber is provided with fan.
Above-mentioned SF6In the infrared on-Line Monitor Device of analyte, described infrared detecting device includes being symmetrical arranged and light emitting diode and photoelectric receiving tube on measuring chamber inwall, photoelectric receiving tube is connected with the controller being arranged on measuring chamber inwall, and the output line of controller is drawn through the pin interfaces of measuring chamber.
Above-mentioned SF6In the infrared on-Line Monitor Device of analyte, between described light emitting diode and photoelectric receiving tube, it is provided with filter plate.
The beneficial effects of the utility model are in that:
1. infrared detecting device of the present utility model is placed in sensing chamber, is directly installed on the three way cock of GIS device and can realize on-line real time monitoring, small volume after integrated.
2. infrared detecting device of the present utility model adopts discrete photoelectric cell integrated, it is not necessary to expensive spectrogrph, less costly, can realize full transformer station multiple spot real time on-line monitoring.
3. this utility model adopts self-cycle structure, the internally installed fan of device, drives SF static in GIS device6Gas flows, and forms gas flow loop, makes gas evenly, in order to accurately to measure, and not may require that discharge SF6Gas, will not pollute air.
Accompanying drawing explanation
Fig. 1 is existing detection SF6The structural representation of the device of gas analyte.
Fig. 2 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is further described.
nullAs shown in Figure 2，This utility model includes three way cock 13、Measuring chamber 7，The left interface of described three way cock 13 is connected with GIS device 12 by left non-return valve 11，The right interface of three way cock 13 is provided with right non-return valve 10，The upper interface of three way cock 13 connects with measuring chamber 7，It is provided with infrared detecting device in described measuring chamber 7，Described infrared detecting device includes being symmetrical arranged and light emitting diode 1 and photoelectric receiving tube 3 on measuring chamber 7 inwall，Filter plate 2 it is provided with between light emitting diode 1 and photoelectric receiving tube 3，Photoelectric receiving tube 3 is connected with the controller 6 being arranged on measuring chamber 7 inwall，The output line of controller 6 is drawn through the pin interfaces 4 of measuring chamber 7，Measuring chamber 7 top is provided with first interface 5，Measuring chamber 7 lower sides is provided with the second interface 15，First interface 5 is connected with the second interface 15 by the stainless steel pipes 14 being positioned at outside measuring chamber 7，The bottom of measuring chamber 7 is provided with fan 8.
Operation principle of the present utility model is as follows: fan 8 drives SF6Gas enters first interface 5, enters the second interface 15 by stainless steel pipes 14, so that SF6Gas defines the loop of an inner loop.QI invigorating when right non-return valve 10 is for air pressure deficiency, left non-return valve 11 accesses in GIS device 12, the SF of sampling the inside6Gas.Light emitting diode 1 sends Ray Of Light and reaches in photoelectric receiving tube 3 through filter plate 2, and measurement result is exported to controller 6 by photoelectric receiving tube 3, and result of calculation is exported by controller 6 by pin interfaces 4, SF6The concentration of gas analyte is more dense, and ultrared absorbability is more strong, by judging that the ultrared intensity received judges SF6The concentration of gas analyte.
Claims (3)
1. a SF6The infrared on-Line Monitor Device of analyte, it is characterized in that: include three way cock, measuring chamber, the left interface of described three way cock is connected with GIS device by left non-return valve, the right interface of three way cock is provided with right non-return valve, the upper interface of three way cock connects with measuring chamber, it is provided with infrared detecting device in described measuring chamber, measuring chamber top is provided with first interface, measuring chamber lower sides is provided with the second interface, first interface is connected by being positioned at stainless steel pipes measuring chamber outside and the second interface, and the bottom of measuring chamber is provided with fan.
2. SF according to claim 16The infrared on-Line Monitor Device of analyte, it is characterized in that: described infrared detecting device includes being symmetrical arranged and light emitting diode and photoelectric receiving tube on measuring chamber inwall, photoelectric receiving tube is connected with the controller being arranged on measuring chamber inwall, and the output line of controller is drawn through the pin interfaces of measuring chamber.
3. SF according to claim 26The infrared on-Line Monitor Device of analyte, it is characterised in that: it is provided with filter plate between described light emitting diode and photoelectric receiving tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620114854.7U CN205388572U (en) | 2016-02-04 | 2016-02-04 | Infrared on -line monitoring device of SF6 analyte |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620114854.7U CN205388572U (en) | 2016-02-04 | 2016-02-04 | Infrared on -line monitoring device of SF6 analyte |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205388572U true CN205388572U (en) | 2016-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620114854.7U Expired - Fee Related CN205388572U (en) | 2016-02-04 | 2016-02-04 | Infrared on -line monitoring device of SF6 analyte |
Country Status (1)
| Country | Link |
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| CN (1) | CN205388572U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297958A (en) * | 2018-11-13 | 2019-02-01 | 国网四川省电力公司成都供电公司 | It is a kind of for monitoring the colour developing prior-warning device of SF6 Electric Power Equipment Insulation gas decomposition product in real time |
-
2016
- 2016-02-04 CN CN201620114854.7U patent/CN205388572U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297958A (en) * | 2018-11-13 | 2019-02-01 | 国网四川省电力公司成都供电公司 | It is a kind of for monitoring the colour developing prior-warning device of SF6 Electric Power Equipment Insulation gas decomposition product in real time |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160720 Termination date: 20170204 |
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| CF01 | Termination of patent right due to non-payment of annual fee |